package com.zecan.blog.security.handler;

import cn.hutool.json.JSONUtil;
import com.zecan.blog.common.status.UserStatus;
import com.zecan.blog.utils.BlogResultUtils;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * @ClassName JwtAuthenticationEntryPoint
 * @Description
 * @date 2022/10/29 18:47
 * @Version 1.0
 * 用户认证校验失败处理器
 */
@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException authException) throws IOException, ServletException {

        response.setContentType("application/json;charset=UTF-8");
        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);

        ServletOutputStream outputStream = response.getOutputStream();

        // 获取状态码并写入
        outputStream.write(JSONUtil.toJsonStr(BlogResultUtils.userStatus(UserStatus.USER_NOT_LOGIN)).getBytes(StandardCharsets.UTF_8));

        outputStream.flush();
        outputStream.close();
    }
}
